2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Genitourinary System 580-629 > Nephritis, Nephrotic Syndrome, And Nephrosis 580-589 > ICD-9-CM Diagnosis 587 Renal sclerosis unspecified Hardening of the KIDNEY due to infiltration by fibrous connective tissue (FIBROSIS), usually caused by renovascular diseases or chronic HYPERTENSION. Nephrosclerosis leads to renal ISCHEMIA. 587 is a specific code that can be used to specify a diagnosis 587 contains 14 index entries